AU653294B2 - Process for vacuum degassing molten steel - Google Patents

Process for vacuum degassing molten steel Download PDF

Info

Publication number
AU653294B2
AU653294B2 AU44789/93A AU4478993A AU653294B2 AU 653294 B2 AU653294 B2 AU 653294B2 AU 44789/93 A AU44789/93 A AU 44789/93A AU 4478993 A AU4478993 A AU 4478993A AU 653294 B2 AU653294 B2 AU 653294B2
Authority
AU
Australia
Prior art keywords
molten steel
vacuum
oxygen gas
treatment
gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU44789/93A
Other languages
English (en)
Other versions
AU4478993A (en
Inventor
Kazuhisa Fukuda
Hiroki Gofuku
Teruyoshi Hiraoka
Takahiro Isono
Hiroshi Nagahama
Akira Nobumoto
Kazuo Oonuki
Atsumi Yamada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP4227633A external-priority patent/JP2688310B2/ja
Priority claimed from JP4227469A external-priority patent/JP2759021B2/ja
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of AU4478993A publication Critical patent/AU4478993A/en
Application granted granted Critical
Publication of AU653294B2 publication Critical patent/AU653294B2/en
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/10—Handling in a vacuum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/16—Introducing a fluid jet or current into the charge
    • F27D2003/162—Introducing a fluid jet or current into the charge the fluid being an oxidant or a fuel
    • F27D2003/163—Introducing a fluid jet or current into the charge the fluid being an oxidant or a fuel the fluid being an oxidant
    • F27D2003/164—Oxygen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/16—Introducing a fluid jet or current into the charge
    • F27D2003/162—Introducing a fluid jet or current into the charge the fluid being an oxidant or a fuel
    • F27D2003/165—Introducing a fluid jet or current into the charge the fluid being an oxidant or a fuel the fluid being a fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/16—Introducing a fluid jet or current into the charge
    • F27D2003/168—Introducing a fluid jet or current into the charge through a lance

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
AU44789/93A 1992-08-26 1993-08-20 Process for vacuum degassing molten steel Expired AU653294B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP4-227469 1992-08-26
JP4227633A JP2688310B2 (ja) 1992-08-26 1992-08-26 真空脱ガス装置
JP4-227633 1992-08-26
JP4227469A JP2759021B2 (ja) 1992-08-26 1992-08-26 溶鋼の真空脱ガス処理方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU68748/94A Division AU664339B2 (en) 1992-08-26 1994-07-27 Apparatus for vacuum degassing molten steel

Publications (2)

Publication Number Publication Date
AU4478993A AU4478993A (en) 1994-03-17
AU653294B2 true AU653294B2 (en) 1994-09-22

Family

ID=26527688

Family Applications (2)

Application Number Title Priority Date Filing Date
AU44789/93A Expired AU653294B2 (en) 1992-08-26 1993-08-20 Process for vacuum degassing molten steel
AU68748/94A Expired AU664339B2 (en) 1992-08-26 1994-07-27 Apparatus for vacuum degassing molten steel

Family Applications After (1)

Application Number Title Priority Date Filing Date
AU68748/94A Expired AU664339B2 (en) 1992-08-26 1994-07-27 Apparatus for vacuum degassing molten steel

Country Status (9)

Country Link
US (1) US5413623A (fr)
EP (1) EP0584814B1 (fr)
KR (1) KR960009169B1 (fr)
CN (2) CN1034591C (fr)
AU (2) AU653294B2 (fr)
BR (1) BR9303475A (fr)
CA (1) CA2104910C (fr)
DE (1) DE69332574T2 (fr)
ES (1) ES2188587T3 (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4442362C1 (de) * 1994-11-18 1996-04-18 Mannesmann Ag Verfahren und Vorrichtung zum Behandeln von einer in einem metallurgischen Gefäß befindlichen Metallschmelze
DE19518361C1 (de) * 1995-05-19 1996-08-08 Technometal Ges Fuer Metalltec Vakuumdichtes Reaktionsgefäß für die Stahlbehandlung mit einer Stopfbuchse
AU695201B2 (en) * 1995-08-01 1998-08-06 Nippon Steel & Sumitomo Metal Corporation Process for vacuum refining of molten steel
KR100270113B1 (ko) * 1996-10-08 2000-10-16 이구택 극저탄소강의 용강 제조장치
DE19811722C1 (de) * 1998-03-18 1999-09-09 Sms Vacmetal Ges Fuer Vacuumme Vorrichtung zum Vakuumfrischen von Metall-, insbesondere Stahlschmelzen
WO2000068442A1 (fr) * 1999-05-07 2000-11-16 Sidmar N.V. Procede de decarburation et de dephosphoration d'un metal en fusion
JP3666301B2 (ja) * 1999-05-21 2005-06-29 Ｊｆｅスチール株式会社 真空脱ガス槽用複合ランス及びその使用方法
EP1211330A4 (fr) * 1999-05-31 2004-11-10 Toyo Kohan Co Ltd Materiau de grille d'ouverture pour tube image couleur, son procede de fabrication, grille d'ouverture et tube image couleur
US7452401B2 (en) * 2006-06-28 2008-11-18 Praxair Technology, Inc. Oxygen injection method
CN101568651B (zh) * 2006-12-15 2012-06-27 普莱克斯技术有限公司 惰性气体注入方法
UA104595C2 (uk) * 2008-08-04 2014-02-25 Ньюкор Корпорейшн Спосіб виробництва низьковуглецевої низькосірчистої низькоазотистої сталі з використанням звичайного сталеплавильного обладнання
EP3147376B1 (fr) 2008-08-04 2018-10-17 Nucor Corporation Fabrication à faible coût d'un acier à faible teneur en carbone, en soufre et en azote à l'aide d'un équipement de fabrication d'acier classique
JP5606320B2 (ja) * 2008-09-16 2014-10-15 株式会社Ｉｓｔｃ 溶鉄の製造方法
US8523977B2 (en) 2011-01-14 2013-09-03 Nucor Corporation Method of desulfurizing steel
CN103056089A (zh) * 2012-12-18 2013-04-24 江西铜业股份有限公司 一种氧化、还原风管的制备工艺
JP6347200B2 (ja) * 2014-10-10 2018-06-27 新日鐵住金株式会社 Ｒｈ真空脱ガス設備の上吹きランス装置
WO2017145877A1 (fr) 2016-02-24 2017-08-31 Ｊｆｅスチール株式会社 Procédé d'affinage d'acier fondu dans un équipement de dégazage sous vide
WO2019040704A1 (fr) 2017-08-24 2019-02-28 Nucor Corporation Fabrication améliorée d'acier à faible teneur en carbone
CN109880973A (zh) * 2019-03-05 2019-06-14 北京科技大学 一种rh精炼过程钢液加热的方法
CN114480946B (zh) * 2020-11-12 2023-06-09 上海梅山钢铁股份有限公司 一种低铝包晶钢钢水的生产方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0328851A1 (fr) * 1988-02-16 1989-08-23 Acciaierie E Ferriere Lombarde Falck S.P.A. Appareillage pour la décarburation des aciers directement dans une poche
EP0351762A2 (fr) * 1988-07-18 1990-01-24 Kawasaki Steel Corporation Procédé de fabrication d'un acier de haute pureté et à teneur en carbone extrêmement basse
EP0461415A1 (fr) * 1990-05-17 1991-12-18 Kawasaki Steel Corporation Procédé d'élaboration d'acier à très faible teneur en carbone

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1226568A (fr) * 1959-02-21 1960-07-13 Siderurgie Fse Inst Rech Brûleur à flamme stable et à forte concentration calorifique obtenue par onde de choc
GB1145409A (en) * 1966-08-24 1969-03-12 Exxon Research Engineering Co Improvements in lance heads for thermal processes
US3439072A (en) * 1967-05-23 1969-04-15 United States Steel Corp Method of pre-heating a refractory lined vessel
GB1253581A (en) * 1968-02-24 1971-11-17 Maximilianshuette Eisenwerk Improvements in processes and apparatus for making steel
DE1904442B2 (de) * 1969-01-30 1978-01-19 Hoesch Werke Ag, 4600 Dortmund Verfahren zum vakuumfrischen von metallschmelzen
SE354082B (fr) * 1970-10-01 1973-02-26 Stal Laval Apparat Ab
JPS5381416A (en) * 1976-12-28 1978-07-18 Nippon Steel Corp Vacuum degassing method for molten steel
JPS64217A (en) * 1987-02-06 1989-01-05 Kawasaki Steel Corp Vacuum refining method for molten steel
JPH01195239A (ja) * 1988-01-29 1989-08-07 Kawasaki Steel Corp 真空脱ガス槽内加熱方法およびその装置
CA1337846C (fr) * 1988-06-21 1996-01-02 Hiroshi Nishikawa Procede de degazage et de decarburation sous vide avec maintien de la temperature
AU657131B2 (en) * 1991-04-23 1995-03-02 Commonwealth Scientific And Industrial Research Organisation Lance for immersion in a pyrometallurgical bath and method involving the lance
AU647669B2 (en) * 1991-09-20 1994-03-24 Ausmelt Pty Ltd Top submergable lance

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0328851A1 (fr) * 1988-02-16 1989-08-23 Acciaierie E Ferriere Lombarde Falck S.P.A. Appareillage pour la décarburation des aciers directement dans une poche
EP0351762A2 (fr) * 1988-07-18 1990-01-24 Kawasaki Steel Corporation Procédé de fabrication d'un acier de haute pureté et à teneur en carbone extrêmement basse
EP0461415A1 (fr) * 1990-05-17 1991-12-18 Kawasaki Steel Corporation Procédé d'élaboration d'acier à très faible teneur en carbone

Also Published As

Publication number Publication date
CN1136085A (zh) 1996-11-20
KR960009169B1 (en) 1996-07-16
CN1034591C (zh) 1997-04-16
CN1084222A (zh) 1994-03-23
CA2104910A1 (fr) 1994-02-27
EP0584814B1 (fr) 2002-12-18
KR940004063A (ko) 1994-03-14
BR9303475A (pt) 1994-03-15
ES2188587T3 (es) 2003-07-01
US5413623A (en) 1995-05-09
CN1044821C (zh) 1999-08-25
EP0584814A2 (fr) 1994-03-02
AU4478993A (en) 1994-03-17
CA2104910C (fr) 1999-11-16
AU664339B2 (en) 1995-11-09
AU6874894A (en) 1994-10-20
DE69332574T2 (de) 2003-04-24
DE69332574D1 (de) 2003-01-30
EP0584814A3 (en) 1994-09-07

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